package com.mc.moring.util;

import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.os.FileUtils;
import android.provider.DocumentsContract;
import android.provider.MediaStore;
import android.provider.OpenableColumns;
import android.text.TextUtils;

import androidx.annotation.RequiresApi;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;


public class UriUtils {
   public static String getFilePathFromURI(Context context, Uri contentUri) {
      File rootDataDir = context.getExternalFilesDir(null);
//        MyApplication.getMyContext().getExternalFilesDir(null).getPath();
      String fileName = getFileName(contentUri);
      if (!TextUtils.isEmpty(fileName)) {
         File copyFile = new File(rootDataDir + File.separator + fileName);
         copyFile(context, contentUri, copyFile);
         return copyFile.getAbsolutePath();
      }
      return null;
   }
   public static String getFileName(Uri uri) {
      if (uri == null) return null;
      String fileName = null;
      String path = uri.getPath();
      int cut = path.lastIndexOf('/');
      if (cut != -1) {
         fileName = path.substring(cut + 1);
      }
      return fileName;
   }

   public static void copyFile(Context context, Uri srcUri, File dstFile) {
      try {
         InputStream inputStream = context.getContentResolver().openInputStream(srcUri);
         if (inputStream == null) return;
         OutputStream outputStream = new FileOutputStream(dstFile);
         copyStream(inputStream, outputStream);
         inputStream.close();
         outputStream.close();
      } catch (Exception e) {
         e.printStackTrace();
      }
   }

   public static int copyStream(InputStream input, OutputStream output) throws Exception, IOException {
      final int BUFFER_SIZE = 1024 * 2;
      byte[] buffer = new byte[BUFFER_SIZE];
      BufferedInputStream in = new BufferedInputStream(input, BUFFER_SIZE);
      BufferedOutputStream out = new BufferedOutputStream(output, BUFFER_SIZE);
      int count = 0, n = 0;
      try {
         while ((n = in.read(buffer, 0, BUFFER_SIZE)) != -1) {
            out.write(buffer, 0, n);
            count += n;
         }
         out.flush();
      } finally {
         try {
            out.close();
         } catch (IOException e) {
         }
         try {
            in.close();
         } catch (IOException e) {
         }
      }
      return count;
   }


   /**
    * 通过uri  获取文件路径
    * @param context
    * @param imageUri
    * @return
    */
   public static String getFileAbsolutePath(Context context, Uri imageUri) {
      if (context == null || imageUri == null) {
         return null;
      }

      if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
         return getRealFilePath(context, imageUri);
      }

      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT && Build.VERSION.SDK_INT < Build.VERSION_CODES.Q && DocumentsContract.isDocumentUri(context, imageUri)) {
         if (isExternalStorageDocument(imageUri)) {
            String docId = DocumentsContract.getDocumentId(imageUri);
            String[] split = docId.split(":");
            String type = split[0];
            if ("primary".equalsIgnoreCase(type)) {
               return Environment.getExternalStorageDirectory() + "/" + split[1];
            }
         } else if (isDownloadsDocument(imageUri)) {
            String id = DocumentsContract.getDocumentId(imageUri);
            Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));
            return getDataColumn(context, contentUri, null, null);
         } else if (isMediaDocument(imageUri)) {
            String docId = DocumentsContract.getDocumentId(imageUri);
            String[] split = docId.split(":");
            String type = split[0];
            Uri contentUri = null;
            if ("image".equals(type)) {
               contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
            } else if ("video".equals(type)) {
               contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
            } else if ("audio".equals(type)) {
               contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
            }
            String selection = MediaStore.Images.Media._ID + "=?";
            String[] selectionArgs = new String[]{split[1]};
            return getDataColumn(context, contentUri, selection, selectionArgs);
         }
      } // MediaStore (and general)
      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q){
         return uriToFileApiQ(context,imageUri);
      }
      else if ("content".equalsIgnoreCase(imageUri.getScheme())) {
         // Return the remote address
         if (isGooglePhotosUri(imageUri)) {
            return imageUri.getLastPathSegment();
         }
         return getDataColumn(context, imageUri, null, null);
      }
      // File
      else if ("file".equalsIgnoreCase(imageUri.getScheme())) {
         return imageUri.getPath();
      }
      return null;
   }

   //此方法 只能用于4.4以下的版本
   private static String getRealFilePath(final Context context, final Uri uri) {
      if (null == uri) {
         return null;
      }
      final String scheme = uri.getScheme();
      String data = null;
      if (scheme == null) {
         data = uri.getPath();
      } else if (ContentResolver.SCHEME_FILE.equals(scheme)) {
         data = uri.getPath();
      } else if (ContentResolver.SCHEME_CONTENT.equals(scheme)) {
         String[] projection = {MediaStore.Images.ImageColumns.DATA};
         Cursor cursor = context.getContentResolver().query(uri, projection, null, null, null);

//            Cursor cursor = context.getContentResolver().query(uri, new String[]{MediaStore.Images.ImageColumns.DATA}, null, null, null);
         if (null != cursor) {
            if (cursor.moveToFirst()) {
               int index = cursor.getColumnIndex(MediaStore.Images.ImageColumns.DATA);
               if (index > -1) {
                  data = cursor.getString(index);
               }
            }
            cursor.close();
         }
      }
      return data;
   }


   /**
    * @param uri The Uri to check.
    * @return Whether the Uri authority is ExternalStorageProvider.
    */
   private static boolean isExternalStorageDocument(Uri uri) {
      return "com.android.externalstorage.documents".equals(uri.getAuthority());
   }

   /**
    * @param uri The Uri to check.
    * @return Whether the Uri authority is DownloadsProvider.
    */
   private static boolean isDownloadsDocument(Uri uri) {
      return "com.android.providers.downloads.documents".equals(uri.getAuthority());
   }

   private static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {
      Cursor cursor = null;
      String column = MediaStore.Images.Media.DATA;
      String[] projection = {column};
      try {
         cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
         if (cursor != null && cursor.moveToFirst()) {
            int index = cursor.getColumnIndexOrThrow(column);
            return cursor.getString(index);
         }
      } finally {
         if (cursor != null) {
            cursor.close();
         }
      }
      return null;
   }

   /**
    * @param uri The Uri to check.
    * @return Whether the Uri authority is MediaProvider.
    */
   private static boolean isMediaDocument(Uri uri) {
      return "com.android.providers.media.documents".equals(uri.getAuthority());
   }

   /**
    * @param uri The Uri to check.
    * @return Whether the Uri authority is Google Photos.
    */
   private static boolean isGooglePhotosUri(Uri uri) {
      return "com.google.android.apps.photos.content".equals(uri.getAuthority());
   }


   /**
    * Android 10 以上适配 另一种写法
    * @param context
    * @param uri
    * @return
    */
   private static String getFileFromContentUri(Context context, Uri uri) {
      if (uri == null) {
         return null;
      }
      String filePath;
      String[] filePathColumn = {MediaStore.MediaColumns.DATA, MediaStore.MediaColumns.DISPLAY_NAME};
      ContentResolver contentResolver = context.getContentResolver();
      Cursor cursor = contentResolver.query(uri, filePathColumn, null,
              null, null);
      if (cursor != null) {
         cursor.moveToFirst();
         try {
            filePath = cursor.getString(cursor.getColumnIndex(filePathColumn[0]));
            return filePath;
         } catch (Exception e) {
         } finally {
            cursor.close();
         }
      }
      return "";
   }

   /**
    * Android 10 以上适配
    * @param context
    * @param uri
    * @return
    */
   @RequiresApi(api = Build.VERSION_CODES.Q)
   private static String uriToFileApiQ(Context context, Uri uri) {
      File file = null;
      //android10以上转换
      if (uri.getScheme().equals(ContentResolver.SCHEME_FILE)) {
         file = new File(uri.getPath());
      } else if (uri.getScheme().equals(ContentResolver.SCHEME_CONTENT)) {
         //把文件复制到沙盒目录
         ContentResolver contentResolver = context.getContentResolver();
         Cursor cursor = contentResolver.query(uri, null, null, null, null);
         if (cursor.moveToFirst()) {
            String displayName = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
            try {
               InputStream is = contentResolver.openInputStream(uri);
               File cache = new File(context.getExternalCacheDir().getAbsolutePath(), Math.round((Math.random() + 1) * 1000) + displayName);
               FileOutputStream fos = new FileOutputStream(cache);
               FileUtils.copy(is, fos);
               file = cache;
               fos.close();
               is.close();
            } catch (IOException e) {
               e.printStackTrace();
            }
         }
      }
      return file.getAbsolutePath();
   }

}
